Expression standing for "Show your tits or get the fuck of".
Normally used to express that what a woman said or wrote had no intellectual value. Can be used anytime in an attempt to diminish a woman's self esteem independently of what she does.

When a woman post a Youtube video, haters will for sure comment "tits or GTFO" indicating that it would had been better if she had shown her tits instead of posting whatever she had posted.

More commonly pronounced as Tits.Or.Gtfo.-- Gtfo meaning get the fuck out --, this term is promptly used by a guy who is usually involved in a relationship in which the girl refuses to "geif" tits, invoking the "titsorgtfo" could slide either 2 ways, a negative reaction, or a surprisingly positive reaction, the brave act works statistically 27% of the time used. Good luck trooper *Brofist*

Cry ofted used on imageboards when a 'noob' posts (usually an image post). It is an exclamation requesting an image of a pari of breasts be posted or the original poster should "GTFO" (get the fuck out). A derivation of the phrase: balls touching or gtfo is often heard when an image depicted gay men is posted on 4chan.org